## Ch.1 Connections to Algebra

### 1.1 Variables in Algebra

At the end of this section, you will be able to:

• Evaluate a variable expression.
• Write a variable expression that models a real-life situation.

### 1.2 Exponents and Powers

At the end of this section, you will be able to:

• Evaluate expressions containing exponents.
• Use exponents in real-life problems.

### 1.3 Order of Operations

At the end of this section, you will be able to:

• Use the order of operations to evalutate algebraic expressions.
• Use a calculator to evaluate real-life expressions.

### 1.4 Equations and Inequalities

At the end of this section, you will be able to:

• Check solutions and solve equations using mental math.
• Check solutions of inequalities in a real-life problem.

### 1.5 A Problem Solving Plan Using Models

At the end of this section, you will be able to:

• Translate verbal phrases into algebraic expressions.
• Use a verbal model to write an algebraic equation or inequality to solve a real-life problem.

### 1.6 Tables and Graphs: Exploring Data and Statistics

At the end of this section, you will be able to:

• Use tables to organize data.
• Use graphs to organize real-life data.

### 1.7 An Introduction to Functions

At the end of this section, you will be able to:

• Identify a function and make an input-output table for a function.
• Write an equation for a real-life function.